Consequences of a modest loess fail over southern and midland England

Ian Jefferson*, Ian Smalley, Kevin Northmore

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Loess deposits that are invariably small are scattered over southern and midland England. They can be examined within a simple, speculative geomorphological model. This allows the concentration of loess material to be predicted and explained, and a distribution network relating to the whole system is produced. A complex series of events in the Weald loess trap causes a concentration of loess material by rivers flowing through various gaps in the Downs. The Thames provides loessic estuarine deposits, and the Pegwell Bay loess was a feature of the Stour. South coast accumulations are related to rivers flowing south through Downs gaps, such as the Adur and the Arun. The geomorphological model assumes a modest loess fall (say 200-500 mm, derived from the northeast) over southern and midland Britain, and develops loess accumulations by logical geomorphological processes from this starting point. Palaeoclimatic studies suggest that interest in the British loess is growing; some overall sedimentological studies might be useful. Loess in Britain should be seen as a major landscape material; it is not an obvious landscape component but it is of fundamental importance. The distribution tree within the geomorphological model accommodates all relevant loess deposits, with major deposits falling on the main line of significant events.

Original languageEnglish
Pages (from-to)199-208
Number of pages10
JournalMercian Geologist
Volume15
Issue number4
Publication statusPublished - Jul 2003

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Geology

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